19 #include "sysdep_decls.h"
20 #include "citserver.h"
25 #include "dynloader.h"
27 #include "mime_parser.h"
30 #define desired_section ((char *)CtdlGetUserData(SYM_DESIRED_SECTION))
31 #define ma ((struct ma_info *)CtdlGetUserData(SYM_MA_INFO))
32 #define msg_repl ((struct repl *)CtdlGetUserData(SYM_REPL))
34 extern struct config config;
37 "", "", "", "", "", "", "", "",
38 "", "", "", "", "", "", "", "",
39 "", "", "", "", "", "", "", "",
40 "", "", "", "", "", "", "", "",
41 "", "", "", "", "", "", "", "",
42 "", "", "", "", "", "", "", "",
43 "", "", "", "", "", "", "", "",
44 "", "", "", "", "", "", "", "",
70 * This function is self explanatory.
71 * (What can I say, I'm in a weird mood today...)
73 void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name)
77 for (i = 0; i < strlen(name); ++i)
80 if (isspace(name[i - 1])) {
81 strcpy(&name[i - 1], &name[i]);
84 while (isspace(name[i + 1])) {
85 strcpy(&name[i + 1], &name[i + 2]);
92 * Aliasing for network mail.
93 * (Error messages have been commented out, because this is a server.)
96 { /* process alias and routing info for mail */
99 char aaa[300], bbb[300];
101 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
103 fp = fopen("network/mail.aliases", "r");
105 fp = fopen("/dev/null", "r");
110 while (fgets(aaa, sizeof aaa, fp) != NULL) {
111 while (isspace(name[0]))
112 strcpy(name, &name[1]);
113 aaa[strlen(aaa) - 1] = 0;
115 for (a = 0; a < strlen(aaa); ++a) {
117 strcpy(bbb, &aaa[a + 1]);
121 if (!strcasecmp(name, aaa))
125 lprintf(7, "Mail is being forwarded to %s\n", name);
127 /* determine local or remote type, see citadel.h */
128 for (a = 0; a < strlen(name); ++a)
130 return (MES_INTERNET);
131 for (a = 0; a < strlen(name); ++a)
133 for (b = a; b < strlen(name); ++b)
135 return (MES_INTERNET);
137 for (a = 0; a < strlen(name); ++a)
141 lprintf(7, "Too many @'s in address\n");
145 for (a = 0; a < strlen(name); ++a)
147 strcpy(bbb, &name[a + 1]);
149 strcpy(bbb, &bbb[1]);
150 fp = fopen("network/mail.sysinfo", "r");
154 a = getstring(fp, aaa);
155 } while ((a >= 0) && (strcasecmp(aaa, bbb)));
156 a = getstring(fp, aaa);
157 if (!strncmp(aaa, "use ", 4)) {
158 strcpy(bbb, &aaa[4]);
163 if (!strncmp(aaa, "uum", 3)) {
165 for (a = 0; a < strlen(bbb); ++a) {
171 while (bbb[strlen(bbb) - 1] == '_')
172 bbb[strlen(bbb) - 1] = 0;
173 sprintf(name, &aaa[4], bbb);
174 return (MES_INTERNET);
176 if (!strncmp(aaa, "bin", 3)) {
179 while (aaa[strlen(aaa) - 1] != '@')
180 aaa[strlen(aaa) - 1] = 0;
181 aaa[strlen(aaa) - 1] = 0;
182 while (aaa[strlen(aaa) - 1] == ' ')
183 aaa[strlen(aaa) - 1] = 0;
184 while (bbb[0] != '@')
185 strcpy(bbb, &bbb[1]);
186 strcpy(bbb, &bbb[1]);
187 while (bbb[0] == ' ')
188 strcpy(bbb, &bbb[1]);
189 sprintf(name, "%s @%s", aaa, bbb);
202 fp = fopen("citadel.control", "r");
203 fread((char *) &CitControl, sizeof(struct CitControl), 1, fp);
209 void simple_listing(long msgnum)
211 cprintf("%ld\n", msgnum);
216 /* Determine if a given message matches the fields in a message template.
217 * Return 0 for a successful match.
219 int CtdlMsgCmp(struct CtdlMessage *msg, struct CtdlMessage *template) {
222 /* If there aren't any fields in the template, all messages will
225 if (template == NULL) return(0);
227 /* Null messages are bogus. */
228 if (msg == NULL) return(1);
230 for (i='A'; i<='Z'; ++i) {
231 if (template->cm_fields[i] != NULL) {
232 if (msg->cm_fields[i] == NULL) {
235 if (strcasecmp(msg->cm_fields[i],
236 template->cm_fields[i])) return 1;
240 /* All compares succeeded: we have a match! */
248 * API function to perform an operation for each qualifying message in the
251 void CtdlForEachMessage(int mode, long ref,
253 struct CtdlMessage *compare,
254 void (*CallBack) (long msgnum))
259 struct cdbdata *cdbfr;
260 long *msglist = NULL;
263 struct SuppMsgInfo smi;
264 struct CtdlMessage *msg;
266 /* Learn about the user and room in question */
268 getuser(&CC->usersupp, CC->curr_user);
269 CtdlGetRelationship(&vbuf, &CC->usersupp, &CC->quickroom);
271 /* Load the message list */
272 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long));
274 msglist = mallok(cdbfr->len);
275 memcpy(msglist, cdbfr->ptr, cdbfr->len);
276 num_msgs = cdbfr->len / sizeof(long);
279 return; /* No messages at all? No further action. */
283 /* If the caller is looking for a specific MIME type, then filter
284 * out all messages which are not of the type requested.
287 if (content_type != NULL)
288 if (strlen(content_type) > 0)
289 for (a = 0; a < num_msgs; ++a) {
290 GetSuppMsgInfo(&smi, msglist[a]);
291 if (strcasecmp(smi.smi_content_type, content_type)) {
296 num_msgs = sort_msglist(msglist, num_msgs);
298 /* If a template was supplied, filter out the messages which
299 * don't match. (This could induce some delays!)
302 if (compare != NULL) {
303 for (a = 0; a < num_msgs; ++a) {
304 msg = CtdlFetchMessage(msglist[a]);
306 if (CtdlMsgCmp(msg, compare)) {
309 CtdlFreeMessage(msg);
317 * Now iterate through the message list, according to the
318 * criteria supplied by the caller.
321 for (a = 0; a < num_msgs; ++a) {
322 thismsg = msglist[a];
327 || ((mode == MSGS_OLD) && (thismsg <= vbuf.v_lastseen))
328 || ((mode == MSGS_NEW) && (thismsg > vbuf.v_lastseen))
329 || ((mode == MSGS_NEW) && (thismsg >= vbuf.v_lastseen)
330 && (CC->usersupp.flags & US_LASTOLD))
331 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
332 || ((mode == MSGS_FIRST) && (a < ref))
333 || ((mode == MSGS_GT) && (thismsg > ref))
339 phree(msglist); /* Clean up */
345 * cmd_msgs() - get list of message #'s in this room
346 * implements the MSGS server command using CtdlForEachMessage()
348 void cmd_msgs(char *cmdbuf)
357 int with_template = 0;
358 struct CtdlMessage *template = NULL;
360 extract(which, cmdbuf, 0);
361 cm_ref = extract_int(cmdbuf, 1);
362 with_template = extract_int(cmdbuf, 2);
366 if (!strncasecmp(which, "OLD", 3))
368 else if (!strncasecmp(which, "NEW", 3))
370 else if (!strncasecmp(which, "FIRST", 5))
372 else if (!strncasecmp(which, "LAST", 4))
374 else if (!strncasecmp(which, "GT", 2))
377 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
378 cprintf("%d not logged in\n", ERROR + NOT_LOGGED_IN);
383 cprintf("%d Send template then receive message list\n",
385 template = (struct CtdlMessage *)
386 mallok(sizeof(struct CtdlMessage));
387 memset(template, 0, sizeof(struct CtdlMessage));
388 while(client_gets(buf), strcmp(buf,"000")) {
389 extract(tfield, buf, 0);
390 extract(tvalue, buf, 1);
391 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
392 if (!strcasecmp(tfield, msgkeys[i])) {
393 template->cm_fields[i] =
400 cprintf("%d Message list...\n", LISTING_FOLLOWS);
403 CtdlForEachMessage(mode, cm_ref, NULL, template, simple_listing);
404 if (template != NULL) CtdlFreeMessage(template);
412 * help_subst() - support routine for help file viewer
414 void help_subst(char *strbuf, char *source, char *dest)
419 while (p = pattern2(strbuf, source), (p >= 0)) {
420 strcpy(workbuf, &strbuf[p + strlen(source)]);
421 strcpy(&strbuf[p], dest);
422 strcat(strbuf, workbuf);
427 void do_help_subst(char *buffer)
431 help_subst(buffer, "^nodename", config.c_nodename);
432 help_subst(buffer, "^humannode", config.c_humannode);
433 help_subst(buffer, "^fqdn", config.c_fqdn);
434 help_subst(buffer, "^username", CC->usersupp.fullname);
435 sprintf(buf2, "%ld", CC->usersupp.usernum);
436 help_subst(buffer, "^usernum", buf2);
437 help_subst(buffer, "^sysadm", config.c_sysadm);
438 help_subst(buffer, "^variantname", CITADEL);
439 sprintf(buf2, "%d", config.c_maxsessions);
440 help_subst(buffer, "^maxsessions", buf2);
446 * memfmout() - Citadel text formatter and paginator.
447 * Although the original purpose of this routine was to format
448 * text to the reader's screen width, all we're really using it
449 * for here is to format text out to 80 columns before sending it
450 * to the client. The client software may reformat it again.
452 void memfmout(int width, char *mptr, char subst)
453 /* screen width to use */
454 /* where are we going to get our text from? */
455 /* nonzero if we should use hypertext mode */
467 c = 1; /* c is the current pos */
470 while (ch = *mptr, ((ch != 0) && (strlen(buffer) < 126))) {
472 buffer[strlen(buffer) + 1] = 0;
473 buffer[strlen(buffer)] = ch;
476 if (buffer[0] == '^')
477 do_help_subst(buffer);
479 buffer[strlen(buffer) + 1] = 0;
481 strcpy(buffer, &buffer[1]);
491 if (((ch == 13) || (ch == 10)) && (old != 13) && (old != 10))
493 if (((old == 13) || (old == 10)) && (isspace(real))) {
501 if (((strlen(aaa) + c) > (width - 5)) && (strlen(aaa) > (width - 5))) {
502 cprintf("\n%s", aaa);
511 if ((strlen(aaa) + c) > (width - 5)) {
521 if ((ch == 13) || (ch == 10)) {
522 cprintf("%s\n", aaa);
529 FMTEND: cprintf("%s\n", aaa);
535 * Callback function for mime parser that simply lists the part
537 void list_this_part(char *name, char *filename, char *partnum, char *disp,
538 void *content, char *cbtype, size_t length)
541 cprintf("part=%s|%s|%s|%s|%s|%d\n",
542 name, filename, partnum, disp, cbtype, length);
547 * Callback function for mime parser that wants to display text
549 void fixed_output(char *name, char *filename, char *partnum, char *disp,
550 void *content, char *cbtype, size_t length)
554 if (!strcasecmp(cbtype, "multipart/alternative")) {
555 strcpy(ma->prefix, partnum);
556 strcat(ma->prefix, ".");
562 if ( (!strncasecmp(partnum, ma->prefix, strlen(ma->prefix)))
564 && (ma->did_print == 1) ) {
565 lprintf(9, "Skipping part %s (%s)\n", partnum, cbtype);
571 if (!strcasecmp(cbtype, "text/plain")) {
572 client_write(content, length);
574 else if (!strcasecmp(cbtype, "text/html")) {
575 ptr = html_to_ascii(content, 80, 0);
576 client_write(ptr, strlen(ptr));
579 else if (strncasecmp(cbtype, "multipart/", 10)) {
580 cprintf("Part %s: %s (%s) (%d bytes)\n",
581 partnum, filename, cbtype, length);
587 * Callback function for mime parser that opens a section for downloading
589 void mime_download(char *name, char *filename, char *partnum, char *disp,
590 void *content, char *cbtype, size_t length)
593 /* Silently go away if there's already a download open... */
594 if (CC->download_fp != NULL)
597 /* ...or if this is not the desired section */
598 if (strcasecmp(desired_section, partnum))
601 CC->download_fp = tmpfile();
602 if (CC->download_fp == NULL)
605 fwrite(content, length, 1, CC->download_fp);
606 fflush(CC->download_fp);
607 rewind(CC->download_fp);
609 OpenCmdResult(filename, cbtype);
615 * Load a message from disk into memory.
616 * This is used by output_message() and other fetch functions.
618 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
619 * using the CtdlMessageFree() function.
621 struct CtdlMessage *CtdlFetchMessage(long msgnum)
623 struct cdbdata *dmsgtext;
624 struct CtdlMessage *ret = NULL;
627 CIT_UBYTE field_header;
630 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
631 if (dmsgtext == NULL) {
634 mptr = dmsgtext->ptr;
636 /* Parse the three bytes that begin EVERY message on disk.
637 * The first is always 0xFF, the on-disk magic number.
638 * The second is the anonymous/public type byte.
639 * The third is the format type byte (vari, fixed, or MIME).
643 lprintf(5, "Message %ld appears to be corrupted.\n", msgnum);
647 ret = (struct CtdlMessage *) mallok(sizeof(struct CtdlMessage));
648 memset(ret, 0, sizeof(struct CtdlMessage));
650 ret->cm_magic = CTDLMESSAGE_MAGIC;
651 ret->cm_anon_type = *mptr++; /* Anon type byte */
652 ret->cm_format_type = *mptr++; /* Format type byte */
655 * The rest is zero or more arbitrary fields. Load them in.
656 * We're done when we encounter either a zero-length field or
657 * have just processed the 'M' (message text) field.
660 field_length = strlen(mptr);
661 if (field_length == 0)
663 field_header = *mptr++;
664 ret->cm_fields[field_header] = mallok(field_length);
665 strcpy(ret->cm_fields[field_header], mptr);
667 while (*mptr++ != 0); /* advance to next field */
669 } while ((field_length > 0) && (field_header != 'M'));
673 /* Always make sure there's something in the msg text field */
674 if (ret->cm_fields['M'] == NULL)
675 ret->cm_fields['M'] = strdoop("<no text>\n");
677 /* Perform "before read" hooks (aborting if any return nonzero) */
678 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
679 CtdlFreeMessage(ret);
688 * Returns 1 if the supplied pointer points to a valid Citadel message.
689 * If the pointer is NULL or the magic number check fails, returns 0.
691 int is_valid_message(struct CtdlMessage *msg) {
694 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
695 lprintf(3, "is_valid_message() -- self-check failed\n");
703 * 'Destructor' for struct CtdlMessage
705 void CtdlFreeMessage(struct CtdlMessage *msg)
709 if (is_valid_message(msg) == 0) return;
711 for (i = 0; i < 256; ++i)
712 if (msg->cm_fields[i] != NULL)
713 phree(msg->cm_fields[i]);
715 msg->cm_magic = 0; /* just in case */
722 * Get a message off disk. (return value is the message's timestamp)
725 void output_message(char *msgid, int mode, int headers_only)
733 char display_name[256];
735 struct CtdlMessage *TheMessage = NULL;
739 /* buffers needed for RFC822 translation */
747 msg_num = atol(msgid);
748 safestrncpy(mid, msgid, sizeof mid);
750 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
751 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
755 /* FIX ... small security issue
756 * We need to check to make sure the requested message is actually
757 * in the current room, and set msg_ok to 1 only if it is. This
758 * functionality is currently missing because I'm in a hurry to replace
759 * broken production code with nonbroken pre-beta code. :( -- ajc
762 cprintf("%d Message %ld is not in this room.\n",
769 * Fetch the message from disk
771 TheMessage = CtdlFetchMessage(msg_num);
772 if (TheMessage == NULL) {
773 cprintf("%d Can't locate msg %ld on disk\n", ERROR, msg_num);
777 /* Are we downloading a MIME component? */
778 if (mode == MT_DOWNLOAD) {
779 if (TheMessage->cm_format_type != FMT_RFC822) {
780 cprintf("%d This is not a MIME message.\n",
782 } else if (CC->download_fp != NULL) {
783 cprintf("%d You already have a download open.\n",
786 /* Parse the message text component */
787 mptr = TheMessage->cm_fields['M'];
788 mime_parser(mptr, NULL, *mime_download);
789 /* If there's no file open by this time, the requested
790 * section wasn't found, so print an error
792 if (CC->download_fp == NULL) {
793 cprintf("%d Section %s not found.\n",
794 ERROR + FILE_NOT_FOUND,
798 CtdlFreeMessage(TheMessage);
802 /* now for the user-mode message reading loops */
803 cprintf("%d Message %ld:\n", LISTING_FOLLOWS, msg_num);
805 /* Tell the client which format type we're using. If this is a
806 * MIME message, *lie* about it and tell the user it's fixed-format.
808 if (mode == MT_CITADEL) {
809 if (TheMessage->cm_format_type == FMT_RFC822)
812 cprintf("type=%d\n", TheMessage->cm_format_type);
815 /* nhdr=yes means that we're only displaying headers, no body */
816 if ((TheMessage->cm_anon_type == MES_ANON) && (mode == MT_CITADEL)) {
817 cprintf("nhdr=yes\n");
820 /* begin header processing loop for Citadel message format */
822 if ((mode == MT_CITADEL) || (mode == MT_MIME)) {
824 strcpy(display_name, "<unknown>");
825 if (TheMessage->cm_fields['A']) {
826 strcpy(buf, TheMessage->cm_fields['A']);
827 PerformUserHooks(buf, (-1L), EVT_OUTPUTMSG);
828 if (TheMessage->cm_anon_type == MES_ANON)
829 strcpy(display_name, "****");
830 else if (TheMessage->cm_anon_type == MES_AN2)
831 strcpy(display_name, "anonymous");
833 strcpy(display_name, buf);
835 && ((TheMessage->cm_anon_type == MES_ANON)
836 || (TheMessage->cm_anon_type == MES_AN2))) {
837 sprintf(&display_name[strlen(display_name)],
842 strcpy(allkeys, FORDER);
843 for (i=0; i<strlen(allkeys); ++i) {
844 k = (int) allkeys[i];
846 if (TheMessage->cm_fields[k] != NULL) {
855 TheMessage->cm_fields[k]
864 /* begin header processing loop for RFC822 transfer format */
868 strcpy(snode, NODENAME);
869 strcpy(lnode, HUMANNODE);
870 if (mode == MT_RFC822) {
871 for (i = 0; i < 256; ++i) {
872 if (TheMessage->cm_fields[i]) {
873 mptr = TheMessage->cm_fields[i];
877 } else if (i == 'P') {
878 cprintf("Path: %s\n", mptr);
879 for (a = 0; a < strlen(mptr); ++a) {
880 if (mptr[a] == '!') {
881 strcpy(mptr, &mptr[a + 1]);
887 cprintf("Subject: %s\n", mptr);
893 cprintf("X-Citadel-Room: %s\n", mptr);
897 cprintf("To: %s\n", mptr);
900 cprintf("Date: %s", asctime(localtime(&xtime)));
906 if (mode == MT_RFC822) {
907 if (!strcasecmp(snode, NODENAME)) {
910 cprintf("Message-ID: <%s@%s>\n", mid, snode);
911 PerformUserHooks(luser, (-1L), EVT_OUTPUTMSG);
912 cprintf("From: %s@%s (%s)\n", suser, snode, luser);
913 cprintf("Organization: %s\n", lnode);
916 /* end header processing loop ... at this point, we're in the text */
918 mptr = TheMessage->cm_fields['M'];
920 /* Tell the client about the MIME parts in this message */
921 if (TheMessage->cm_format_type == FMT_RFC822) { /* legacy text dump */
922 if (mode == MT_CITADEL) {
923 mime_parser(mptr, NULL, *list_this_part);
925 else if (mode == MT_MIME) { /* list parts only */
926 mime_parser(mptr, NULL, *list_this_part);
928 CtdlFreeMessage(TheMessage);
935 CtdlFreeMessage(TheMessage);
939 /* signify start of msg text */
940 if (mode == MT_CITADEL)
942 if ((mode == MT_RFC822) && (TheMessage->cm_format_type != FMT_RFC822))
945 /* If the format type on disk is 1 (fixed-format), then we want
946 * everything to be output completely literally ... regardless of
947 * what message transfer format is in use.
949 if (TheMessage->cm_format_type == FMT_FIXED) {
951 while (ch = *mptr++, ch > 0) {
954 if ((ch == 10) || (strlen(buf) > 250)) {
955 cprintf("%s\n", buf);
958 buf[strlen(buf) + 1] = 0;
959 buf[strlen(buf)] = ch;
963 cprintf("%s\n", buf);
966 /* If the message on disk is format 0 (Citadel vari-format), we
967 * output using the formatter at 80 columns. This is the final output
968 * form if the transfer format is RFC822, but if the transfer format
969 * is Citadel proprietary, it'll still work, because the indentation
970 * for new paragraphs is correct and the client will reformat the
971 * message to the reader's screen width.
973 if (TheMessage->cm_format_type == FMT_CITADEL) {
974 memfmout(80, mptr, 0);
977 /* If the message on disk is format 4 (MIME), we've gotta hand it
978 * off to the MIME parser. The client has already been told that
979 * this message is format 1 (fixed format), so the callback function
980 * we use will display those parts as-is.
982 if (TheMessage->cm_format_type == FMT_RFC822) {
983 CtdlAllocUserData(SYM_MA_INFO, sizeof(struct ma_info));
984 memset(ma, 0, sizeof(struct ma_info));
985 mime_parser(mptr, NULL, *fixed_output);
990 CtdlFreeMessage(TheMessage);
997 * display a message (mode 0 - Citadel proprietary)
999 void cmd_msg0(char *cmdbuf)
1002 int headers_only = 0;
1004 extract(msgid, cmdbuf, 0);
1005 headers_only = extract_int(cmdbuf, 1);
1007 output_message(msgid, MT_CITADEL, headers_only);
1013 * display a message (mode 2 - RFC822)
1015 void cmd_msg2(char *cmdbuf)
1018 int headers_only = 0;
1020 extract(msgid, cmdbuf, 0);
1021 headers_only = extract_int(cmdbuf, 1);
1023 output_message(msgid, MT_RFC822, headers_only);
1029 * display a message (mode 3 - IGnet raw format - internal programs only)
1031 void cmd_msg3(char *cmdbuf)
1034 struct CtdlMessage *msg;
1037 if (CC->internal_pgm == 0) {
1038 cprintf("%d This command is for internal programs only.\n",
1043 msgnum = extract_long(cmdbuf, 0);
1044 msg = CtdlFetchMessage(msgnum);
1046 cprintf("%d Message %ld not found.\n",
1051 serialize_message(&smr, msg);
1052 CtdlFreeMessage(msg);
1055 cprintf("%d Unable to serialize message\n",
1056 ERROR+INTERNAL_ERROR);
1060 cprintf("%d %ld\n", BINARY_FOLLOWS, smr.len);
1061 client_write(smr.ser, smr.len);
1068 * display a message (mode 4 - MIME) (FIX ... still evolving, not complete)
1070 void cmd_msg4(char *cmdbuf)
1074 extract(msgid, cmdbuf, 0);
1076 output_message(msgid, MT_MIME, 0);
1080 * Open a component of a MIME message as a download file
1082 void cmd_opna(char *cmdbuf)
1086 CtdlAllocUserData(SYM_DESIRED_SECTION, 64);
1088 extract(msgid, cmdbuf, 0);
1089 extract(desired_section, cmdbuf, 1);
1091 output_message(msgid, MT_DOWNLOAD, 0);
1096 * Save a message pointer into a specified room
1097 * (Returns 0 for success, nonzero for failure)
1098 * roomname may be NULL to use the current room
1100 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid, int flags) {
1102 char hold_rm[ROOMNAMELEN];
1103 struct cdbdata *cdbfr;
1106 long highest_msg = 0L;
1107 struct CtdlMessage *msg = NULL;
1109 lprintf(9, "CtdlSaveMsgPointerInRoom(%s, %ld, %d)\n",
1110 roomname, msgid, flags);
1112 strcpy(hold_rm, CC->quickroom.QRname);
1114 /* We may need to check to see if this message is real */
1115 if ( (flags & SM_VERIFY_GOODNESS)
1116 || (flags & SM_DO_REPL_CHECK)
1118 msg = CtdlFetchMessage(msgid);
1119 if (msg == NULL) return(ERROR + ILLEGAL_VALUE);
1122 /* Perform replication checks if necessary */
1123 if ( (flags & SM_DO_REPL_CHECK) && (msg != NULL) ) {
1125 if (getroom(&CC->quickroom,
1126 ((roomname != NULL) ? roomname : CC->quickroom.QRname) )
1128 lprintf(9, "No such room <%s>\n", roomname);
1129 if (msg != NULL) CtdlFreeMessage(msg);
1130 return(ERROR + ROOM_NOT_FOUND);
1133 if (ReplicationChecks(msg) != 0) {
1134 getroom(&CC->quickroom, hold_rm);
1135 if (msg != NULL) CtdlFreeMessage(msg);
1136 lprintf(9, "Did replication, and newer exists\n");
1141 /* Now the regular stuff */
1142 if (lgetroom(&CC->quickroom,
1143 ((roomname != NULL) ? roomname : CC->quickroom.QRname) )
1145 lprintf(9, "No such room <%s>\n", roomname);
1146 if (msg != NULL) CtdlFreeMessage(msg);
1147 return(ERROR + ROOM_NOT_FOUND);
1150 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long));
1151 if (cdbfr == NULL) {
1155 msglist = mallok(cdbfr->len);
1156 if (msglist == NULL)
1157 lprintf(3, "ERROR malloc msglist!\n");
1158 num_msgs = cdbfr->len / sizeof(long);
1159 memcpy(msglist, cdbfr->ptr, cdbfr->len);
1164 /* Make sure the message doesn't already exist in this room. It
1165 * is absolutely taboo to have more than one reference to the same
1166 * message in a room.
1168 if (num_msgs > 0) for (i=0; i<num_msgs; ++i) {
1169 if (msglist[i] == msgid) {
1170 lputroom(&CC->quickroom); /* unlock the room */
1171 getroom(&CC->quickroom, hold_rm);
1172 if (msg != NULL) CtdlFreeMessage(msg);
1173 return(ERROR + ALREADY_EXISTS);
1177 /* Now add the new message */
1179 msglist = reallok(msglist,
1180 (num_msgs * sizeof(long)));
1182 if (msglist == NULL) {
1183 lprintf(3, "ERROR: can't realloc message list!\n");
1185 msglist[num_msgs - 1] = msgid;
1187 /* Sort the message list, so all the msgid's are in order */
1188 num_msgs = sort_msglist(msglist, num_msgs);
1190 /* Determine the highest message number */
1191 highest_msg = msglist[num_msgs - 1];
1193 /* Write it back to disk. */
1194 cdb_store(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long),
1195 msglist, num_msgs * sizeof(long));
1197 /* Free up the memory we used. */
1200 /* Update the highest-message pointer and unlock the room. */
1201 CC->quickroom.QRhighest = highest_msg;
1202 lputroom(&CC->quickroom);
1203 getroom(&CC->quickroom, hold_rm);
1205 /* Bump the reference count for this message. */
1206 AdjRefCount(msgid, +1);
1208 /* Return success. */
1209 if (msg != NULL) CtdlFreeMessage(msg);
1216 * Message base operation to send a message to the master file
1217 * (returns new message number)
1219 * This is the back end for CtdlSaveMsg() and should not be directly
1220 * called by server-side modules.
1223 long send_message(struct CtdlMessage *msg, /* pointer to buffer */
1224 int generate_id, /* generate 'I' field? */
1225 FILE *save_a_copy) /* save a copy to disk? */
1232 /* Get a new message number */
1233 newmsgid = get_new_message_number();
1234 sprintf(msgidbuf, "%ld", newmsgid);
1237 msg->cm_fields['I'] = strdoop(msgidbuf);
1240 serialize_message(&smr, msg);
1243 cprintf("%d Unable to serialize message\n",
1244 ERROR+INTERNAL_ERROR);
1248 /* Write our little bundle of joy into the message base */
1249 begin_critical_section(S_MSGMAIN);
1250 if (cdb_store(CDB_MSGMAIN, &newmsgid, sizeof(long),
1251 smr.ser, smr.len) < 0) {
1252 lprintf(2, "Can't store message\n");
1257 end_critical_section(S_MSGMAIN);
1259 /* If the caller specified that a copy should be saved to a particular
1260 * file handle, do that now too.
1262 if (save_a_copy != NULL) {
1263 fwrite(smr.ser, smr.len, 1, save_a_copy);
1266 /* Free the memory we used for the serialized message */
1269 /* Return the *local* message ID to the caller
1270 * (even if we're storing an incoming network message)
1278 * Serialize a struct CtdlMessage into the format used on disk and network.
1280 * This function loads up a "struct ser_ret" (defined in server.h) which
1281 * contains the length of the serialized message and a pointer to the
1282 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
1284 void serialize_message(struct ser_ret *ret, /* return values */
1285 struct CtdlMessage *msg) /* unserialized msg */
1289 static char *forder = FORDER;
1291 if (is_valid_message(msg) == 0) return; /* self check */
1294 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
1295 ret->len = ret->len +
1296 strlen(msg->cm_fields[(int)forder[i]]) + 2;
1298 lprintf(9, "calling malloc\n");
1299 ret->ser = mallok(ret->len);
1300 if (ret->ser == NULL) {
1306 ret->ser[1] = msg->cm_anon_type;
1307 ret->ser[2] = msg->cm_format_type;
1310 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
1311 ret->ser[wlen++] = (char)forder[i];
1312 strcpy(&ret->ser[wlen], msg->cm_fields[(int)forder[i]]);
1313 wlen = wlen + strlen(msg->cm_fields[(int)forder[i]]) + 1;
1315 if (ret->len != wlen) lprintf(3, "ERROR: len=%d wlen=%d\n",
1324 * Back end for the ReplicationChecks() function
1326 void check_repl(long msgnum) {
1327 struct CtdlMessage *msg;
1328 time_t timestamp = (-1L);
1330 lprintf(9, "check_repl() found message %ld\n", msgnum);
1331 msg = CtdlFetchMessage(msgnum);
1332 if (msg == NULL) return;
1333 if (msg->cm_fields['T'] != NULL) {
1334 timestamp = atol(msg->cm_fields['T']);
1336 CtdlFreeMessage(msg);
1338 if (timestamp > msg_repl->highest) {
1339 msg_repl->highest = timestamp; /* newer! */
1340 lprintf(9, "newer!\n");
1343 lprintf(9, "older!\n");
1345 /* Existing isn't newer? Then delete the old one(s). */
1346 CtdlDeleteMessages(CC->quickroom.QRname, msgnum, NULL);
1351 * Check to see if any messages already exist which carry the same Extended ID
1355 * -> With older timestamps: delete them and return 0. Message will be saved.
1356 * -> With newer timestamps: return 1. Message save will be aborted.
1358 int ReplicationChecks(struct CtdlMessage *msg) {
1359 struct CtdlMessage *template;
1362 lprintf(9, "ReplicationChecks() started\n");
1363 /* No extended id? Don't do anything. */
1364 if (msg->cm_fields['E'] == NULL) return 0;
1365 if (strlen(msg->cm_fields['E']) == 0) return 0;
1366 lprintf(9, "Extended ID: <%s>\n", msg->cm_fields['E']);
1368 CtdlAllocUserData(SYM_REPL, sizeof(struct repl));
1369 strcpy(msg_repl->extended_id, msg->cm_fields['E']);
1370 msg_repl->highest = atol(msg->cm_fields['T']);
1372 template = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1373 memset(template, 0, sizeof(struct CtdlMessage));
1374 template->cm_fields['E'] = strdoop(msg->cm_fields['E']);
1376 CtdlForEachMessage(MSGS_ALL, 0L, NULL, template, check_repl);
1378 /* If a newer message exists with the same Extended ID, abort
1381 if (msg_repl->highest > atol(msg->cm_fields['T']) ) {
1385 CtdlFreeMessage(template);
1386 lprintf(9, "ReplicationChecks() returning %d\n", abort_this);
1394 * Save a message to disk
1396 void CtdlSaveMsg(struct CtdlMessage *msg, /* message to save */
1397 char *rec, /* Recipient (mail) */
1398 char *force, /* force a particular room? */
1399 int mailtype, /* local or remote type */
1400 int generate_id) /* 1 = generate 'I' field */
1403 char hold_rm[ROOMNAMELEN];
1404 char actual_rm[ROOMNAMELEN];
1405 char force_room[ROOMNAMELEN];
1406 char content_type[256]; /* We have to learn this */
1407 char recipient[256];
1410 struct usersupp userbuf;
1412 struct SuppMsgInfo smi;
1413 FILE *network_fp = NULL;
1414 static int seqnum = 1;
1416 lprintf(9, "CtdlSaveMsg() called\n");
1417 if (is_valid_message(msg) == 0) return; /* self check */
1419 /* If this message has no timestamp, we take the liberty of
1420 * giving it one, right now.
1422 if (msg->cm_fields['T'] == NULL) {
1423 lprintf(9, "Generating timestamp\n");
1424 sprintf(aaa, "%ld", time(NULL));
1425 msg->cm_fields['T'] = strdoop(aaa);
1428 /* If this message has no path, we generate one.
1430 if (msg->cm_fields['P'] == NULL) {
1431 lprintf(9, "Generating path\n");
1432 if (msg->cm_fields['A'] != NULL) {
1433 msg->cm_fields['P'] = strdoop(msg->cm_fields['A']);
1434 for (a=0; a<strlen(msg->cm_fields['P']); ++a) {
1435 if (isspace(msg->cm_fields['P'][a])) {
1436 msg->cm_fields['P'][a] = ' ';
1441 msg->cm_fields['P'] = strdoop("unknown");
1445 strcpy(force_room, force);
1447 /* Strip non-printable characters out of the recipient name */
1448 strcpy(recipient, rec);
1449 for (a = 0; a < strlen(recipient); ++a)
1450 if (!isprint(recipient[a]))
1451 strcpy(&recipient[a], &recipient[a + 1]);
1453 /* Learn about what's inside, because it's what's inside that counts */
1454 lprintf(9, "Learning what's inside\n");
1456 switch (msg->cm_format_type) {
1458 strcpy(content_type, "text/x-citadel-variformat");
1461 strcpy(content_type, "text/plain");
1464 strcpy(content_type, "text/plain");
1465 /* advance past header fields */
1466 mptr = msg->cm_fields['M'];
1469 if (!strncasecmp(mptr, "Content-type: ", 14)) {
1470 safestrncpy(content_type, mptr,
1471 sizeof(content_type));
1472 strcpy(content_type, &content_type[14]);
1473 for (a = 0; a < strlen(content_type); ++a)
1474 if ((content_type[a] == ';')
1475 || (content_type[a] == ' ')
1476 || (content_type[a] == 13)
1477 || (content_type[a] == 10))
1478 content_type[a] = 0;
1485 /* Goto the correct room */
1486 lprintf(9, "Switching rooms\n");
1487 strcpy(hold_rm, CC->quickroom.QRname);
1488 strcpy(actual_rm, CC->quickroom.QRname);
1490 /* If the user is a twit, move to the twit room for posting */
1491 lprintf(9, "Handling twit stuff\n");
1493 if (CC->usersupp.axlevel == 2) {
1494 strcpy(hold_rm, actual_rm);
1495 strcpy(actual_rm, config.c_twitroom);
1499 /* ...or if this message is destined for Aide> then go there. */
1500 if (strlen(force_room) > 0) {
1501 strcpy(actual_rm, force_room);
1504 lprintf(9, "Possibly relocating\n");
1505 if (strcasecmp(actual_rm, CC->quickroom.QRname))
1506 getroom(&CC->quickroom, actual_rm);
1508 /* Perform "before save" hooks (aborting if any return nonzero) */
1509 lprintf(9, "Performing before-save hooks\n");
1510 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return;
1512 /* If this message has an Extended ID, perform replication checks */
1513 lprintf(9, "Performing replication checks\n");
1514 if (ReplicationChecks(msg) > 0) return;
1516 /* Network mail - send a copy to the network program. */
1517 if ((strlen(recipient) > 0) && (mailtype == MES_BINARY)) {
1518 lprintf(9, "Sending network spool\n");
1519 sprintf(aaa, "./network/spoolin/netmail.%04lx.%04x.%04x",
1520 (long) getpid(), CC->cs_pid, ++seqnum);
1521 lprintf(9, "Saving a copy to %s\n", aaa);
1522 network_fp = fopen(aaa, "ab+");
1523 if (network_fp == NULL)
1524 lprintf(2, "ERROR: %s\n", strerror(errno));
1527 /* Save it to disk */
1528 lprintf(9, "Saving to disk\n");
1529 newmsgid = send_message(msg, generate_id, network_fp);
1530 if (network_fp != NULL) {
1532 system("exec nohup ./netproc -i >/dev/null 2>&1 &");
1535 if (newmsgid <= 0L) return;
1537 /* Write a supplemental message info record. This doesn't have to
1538 * be a critical section because nobody else knows about this message
1541 lprintf(9, "Creating SuppMsgInfo record\n");
1542 memset(&smi, 0, sizeof(struct SuppMsgInfo));
1543 smi.smi_msgnum = newmsgid;
1544 smi.smi_refcount = 0;
1545 safestrncpy(smi.smi_content_type, content_type, 64);
1546 PutSuppMsgInfo(&smi);
1548 /* Now figure out where to store the pointers */
1549 lprintf(9, "Storing pointers\n");
1552 /* If this is being done by the networker delivering a private
1553 * message, we want to BYPASS saving the sender's copy (because there
1554 * is no local sender; it would otherwise go to the Trashcan).
1556 if ((!CC->internal_pgm) || (strlen(recipient) == 0)) {
1557 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0);
1560 /* For internet mail, drop a copy in the outbound queue room */
1561 /* FIX ... nothing's going to get delivered until we add
1562 some delivery instructions!!! */
1563 if (mailtype == MES_INTERNET) {
1564 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0);
1567 /* Bump this user's messages posted counter. */
1568 lprintf(9, "Updating user\n");
1569 lgetuser(&CC->usersupp, CC->curr_user);
1570 CC->usersupp.posted = CC->usersupp.posted + 1;
1571 lputuser(&CC->usersupp);
1573 /* If this is private, local mail, make a copy in the
1574 * recipient's mailbox and bump the reference count.
1576 if ((strlen(recipient) > 0) && (mailtype == MES_LOCAL)) {
1577 if (getuser(&userbuf, recipient) == 0) {
1578 lprintf(9, "Delivering private mail\n");
1579 MailboxName(actual_rm, &userbuf, MAILROOM);
1580 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0);
1584 /* Perform "after save" hooks */
1585 lprintf(9, "Performing after-save hooks\n");
1586 PerformMessageHooks(msg, EVT_AFTERSAVE);
1589 lprintf(9, "Returning to original room\n");
1590 if (strcasecmp(hold_rm, CC->quickroom.QRname))
1591 getroom(&CC->quickroom, hold_rm);
1597 * Convenience function for generating small administrative messages.
1599 void quickie_message(char *from, char *to, char *room, char *text)
1601 struct CtdlMessage *msg;
1603 msg = mallok(sizeof(struct CtdlMessage));
1604 memset(msg, 0, sizeof(struct CtdlMessage));
1605 msg->cm_magic = CTDLMESSAGE_MAGIC;
1606 msg->cm_anon_type = MES_NORMAL;
1607 msg->cm_format_type = 0;
1608 msg->cm_fields['A'] = strdoop(from);
1609 msg->cm_fields['O'] = strdoop(room);
1610 msg->cm_fields['N'] = strdoop(NODENAME);
1612 msg->cm_fields['R'] = strdoop(to);
1613 msg->cm_fields['M'] = strdoop(text);
1615 CtdlSaveMsg(msg, "", room, MES_LOCAL, 1);
1616 CtdlFreeMessage(msg);
1617 syslog(LOG_NOTICE, text);
1623 * Back end function used by make_message() and similar functions
1625 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
1626 size_t maxlen, /* maximum message length */
1627 char *exist /* if non-null, append to it;
1628 exist is ALWAYS freed */
1631 size_t message_len = 0;
1632 size_t buffer_len = 0;
1636 if (exist == NULL) {
1640 m = reallok(exist, strlen(exist) + 4096);
1641 if (m == NULL) phree(exist);
1644 while ( (client_gets(buf)>0) && strcmp(buf, terminator) ) ;;
1651 /* read in the lines of message text one by one */
1653 while ( (client_gets(buf)>0) && strcmp(buf, terminator) ) {
1655 /* augment the buffer if we have to */
1656 if ((message_len + strlen(buf) + 2) > buffer_len) {
1657 lprintf(9, "realloking\n");
1658 ptr = reallok(m, (buffer_len * 2) );
1659 if (ptr == NULL) { /* flush if can't allocate */
1660 while ( (client_gets(buf)>0) &&
1661 strcmp(buf, terminator)) ;;
1664 buffer_len = (buffer_len * 2);
1667 lprintf(9, "buffer_len is %d\n", buffer_len);
1671 if (append == NULL) append = m;
1672 while (strlen(append) > 0) ++append;
1673 strcpy(append, buf);
1674 strcat(append, "\n");
1675 message_len = message_len + strlen(buf) + 1;
1677 /* if we've hit the max msg length, flush the rest */
1678 if (message_len >= maxlen) {
1679 while ( (client_gets(buf)>0) && strcmp(buf, terminator)) ;;
1690 * Build a binary message to be saved on disk.
1693 struct CtdlMessage *make_message(
1694 struct usersupp *author, /* author's usersupp structure */
1695 char *recipient, /* NULL if it's not mail */
1696 char *room, /* room where it's going */
1697 int type, /* see MES_ types in header file */
1698 int net_type, /* see MES_ types in header file */
1699 int format_type, /* local or remote (see citadel.h) */
1700 char *fake_name) /* who we're masquerading as */
1706 struct CtdlMessage *msg;
1708 msg = mallok(sizeof(struct CtdlMessage));
1709 memset(msg, 0, sizeof(struct CtdlMessage));
1710 msg->cm_magic = CTDLMESSAGE_MAGIC;
1711 msg->cm_anon_type = type;
1712 msg->cm_format_type = format_type;
1714 /* Don't confuse the poor folks if it's not routed mail. */
1715 strcpy(dest_node, "");
1717 /* If net_type is MES_BINARY, split out the destination node. */
1718 if (net_type == MES_BINARY) {
1719 strcpy(dest_node, NODENAME);
1720 for (a = 0; a < strlen(recipient); ++a) {
1721 if (recipient[a] == '@') {
1723 strcpy(dest_node, &recipient[a + 1]);
1728 /* if net_type is MES_INTERNET, set the dest node to 'internet' */
1729 if (net_type == MES_INTERNET) {
1730 strcpy(dest_node, "internet");
1733 while (isspace(recipient[strlen(recipient) - 1]))
1734 recipient[strlen(recipient) - 1] = 0;
1736 sprintf(buf, "cit%ld", author->usernum); /* Path */
1737 msg->cm_fields['P'] = strdoop(buf);
1739 sprintf(buf, "%ld", time(NULL)); /* timestamp */
1740 msg->cm_fields['T'] = strdoop(buf);
1742 if (fake_name[0]) /* author */
1743 msg->cm_fields['A'] = strdoop(fake_name);
1745 msg->cm_fields['A'] = strdoop(author->fullname);
1747 if (CC->quickroom.QRflags & QR_MAILBOX) /* room */
1748 msg->cm_fields['O'] = strdoop(&CC->quickroom.QRname[11]);
1750 msg->cm_fields['O'] = strdoop(CC->quickroom.QRname);
1752 msg->cm_fields['N'] = strdoop(NODENAME); /* nodename */
1753 msg->cm_fields['H'] = strdoop(HUMANNODE); /* hnodename */
1755 if (recipient[0] != 0)
1756 msg->cm_fields['R'] = strdoop(recipient);
1757 if (dest_node[0] != 0)
1758 msg->cm_fields['D'] = strdoop(dest_node);
1761 msg->cm_fields['M'] = CtdlReadMessageBody("000",
1762 config.c_maxmsglen, NULL);
1773 * message entry - mode 0 (normal)
1775 void cmd_ent0(char *entargs)
1778 char recipient[256];
1780 int format_type = 0;
1781 char newusername[256];
1782 struct CtdlMessage *msg;
1786 struct usersupp tempUS;
1789 post = extract_int(entargs, 0);
1790 extract(recipient, entargs, 1);
1791 anon_flag = extract_int(entargs, 2);
1792 format_type = extract_int(entargs, 3);
1794 /* first check to make sure the request is valid. */
1796 if (!(CC->logged_in)) {
1797 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
1800 if ((CC->usersupp.axlevel < 2) && ((CC->quickroom.QRflags & QR_MAILBOX) == 0)) {
1801 cprintf("%d Need to be validated to enter ",
1802 ERROR + HIGHER_ACCESS_REQUIRED);
1803 cprintf("(except in %s> to sysop)\n", MAILROOM);
1806 if ((CC->usersupp.axlevel < 4) && (CC->quickroom.QRflags & QR_NETWORK)) {
1807 cprintf("%d Need net privileges to enter here.\n",
1808 ERROR + HIGHER_ACCESS_REQUIRED);
1811 if ((CC->usersupp.axlevel < 6) && (CC->quickroom.QRflags & QR_READONLY)) {
1812 cprintf("%d Sorry, this is a read-only room.\n",
1813 ERROR + HIGHER_ACCESS_REQUIRED);
1820 if (CC->usersupp.axlevel < 6) {
1821 cprintf("%d You don't have permission to masquerade.\n",
1822 ERROR + HIGHER_ACCESS_REQUIRED);
1825 extract(newusername, entargs, 4);
1826 memset(CC->fake_postname, 0, 32);
1827 strcpy(CC->fake_postname, newusername);
1828 cprintf("%d Ok\n", OK);
1831 CC->cs_flags |= CS_POSTING;
1834 if (CC->quickroom.QRflags & QR_MAILBOX) {
1835 if (CC->usersupp.axlevel >= 2) {
1836 strcpy(buf, recipient);
1838 strcpy(buf, "sysop");
1839 e = alias(buf); /* alias and mail type */
1840 if ((buf[0] == 0) || (e == MES_ERROR)) {
1841 cprintf("%d Unknown address - cannot send message.\n",
1842 ERROR + NO_SUCH_USER);
1845 if ((e != MES_LOCAL) && (CC->usersupp.axlevel < 4)) {
1846 cprintf("%d Net privileges required for network mail.\n",
1847 ERROR + HIGHER_ACCESS_REQUIRED);
1850 if ((RESTRICT_INTERNET == 1) && (e == MES_INTERNET)
1851 && ((CC->usersupp.flags & US_INTERNET) == 0)
1852 && (!CC->internal_pgm)) {
1853 cprintf("%d You don't have access to Internet mail.\n",
1854 ERROR + HIGHER_ACCESS_REQUIRED);
1857 if (!strcasecmp(buf, "sysop")) {
1862 goto SKFALL; /* don't search local file */
1863 if (!strcasecmp(buf, CC->usersupp.fullname)) {
1864 cprintf("%d Can't send mail to yourself!\n",
1865 ERROR + NO_SUCH_USER);
1868 /* Check to make sure the user exists; also get the correct
1869 * upper/lower casing of the name.
1871 a = getuser(&tempUS, buf);
1873 cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
1876 strcpy(buf, tempUS.fullname);
1879 SKFALL: b = MES_NORMAL;
1880 if (CC->quickroom.QRflags & QR_ANONONLY)
1882 if (CC->quickroom.QRflags & QR_ANONOPT) {
1886 if ((CC->quickroom.QRflags & QR_MAILBOX) == 0)
1889 /* If we're only checking the validity of the request, return
1890 * success without creating the message.
1893 cprintf("%d %s\n", OK, buf);
1897 cprintf("%d send message\n", SEND_LISTING);
1899 /* Read in the message from the client. */
1900 if (CC->fake_postname[0])
1901 msg = make_message(&CC->usersupp, buf,
1902 CC->quickroom.QRname, b, e, format_type,
1904 else if (CC->fake_username[0])
1905 msg = make_message(&CC->usersupp, buf,
1906 CC->quickroom.QRname, b, e, format_type,
1909 msg = make_message(&CC->usersupp, buf,
1910 CC->quickroom.QRname, b, e, format_type, "");
1913 CtdlSaveMsg(msg, buf, (mtsflag ? AIDEROOM : ""), e, 1);
1914 CtdlFreeMessage(msg);
1915 CC->fake_postname[0] = '\0';
1922 * message entry - mode 3 (raw)
1924 void cmd_ent3(char *entargs)
1930 unsigned char ch, which_field;
1931 struct usersupp tempUS;
1933 struct CtdlMessage *msg;
1936 if (CC->internal_pgm == 0) {
1937 cprintf("%d This command is for internal programs only.\n",
1942 /* See if there's a recipient, but make sure it's a real one */
1943 extract(recp, entargs, 1);
1944 for (a = 0; a < strlen(recp); ++a)
1945 if (!isprint(recp[a]))
1946 strcpy(&recp[a], &recp[a + 1]);
1947 while (isspace(recp[0]))
1948 strcpy(recp, &recp[1]);
1949 while (isspace(recp[strlen(recp) - 1]))
1950 recp[strlen(recp) - 1] = 0;
1952 /* If we're in Mail, check the recipient */
1953 if (strlen(recp) > 0) {
1954 e = alias(recp); /* alias and mail type */
1955 if ((recp[0] == 0) || (e == MES_ERROR)) {
1956 cprintf("%d Unknown address - cannot send message.\n",
1957 ERROR + NO_SUCH_USER);
1960 if (e == MES_LOCAL) {
1961 a = getuser(&tempUS, recp);
1963 cprintf("%d No such user.\n",
1964 ERROR + NO_SUCH_USER);
1970 /* At this point, message has been approved. */
1971 if (extract_int(entargs, 0) == 0) {
1972 cprintf("%d OK to send\n", OK);
1976 msglen = extract_long(entargs, 2);
1977 msg = mallok(sizeof(struct CtdlMessage));
1979 cprintf("%d Out of memory\n", ERROR+INTERNAL_ERROR);
1983 memset(msg, 0, sizeof(struct CtdlMessage));
1984 tempbuf = mallok(msglen);
1985 if (tempbuf == NULL) {
1986 cprintf("%d Out of memory\n", ERROR+INTERNAL_ERROR);
1991 cprintf("%d %ld\n", SEND_BINARY, msglen);
1993 client_read(&ch, 1); /* 0xFF magic number */
1994 msg->cm_magic = CTDLMESSAGE_MAGIC;
1995 client_read(&ch, 1); /* anon type */
1996 msg->cm_anon_type = ch;
1997 client_read(&ch, 1); /* format type */
1998 msg->cm_format_type = ch;
1999 msglen = msglen - 3;
2001 while (msglen > 0) {
2002 client_read(&which_field, 1);
2003 if (!isalpha(which_field)) valid_msg = 0;
2007 client_read(&ch, 1);
2009 a = strlen(tempbuf);
2012 } while ( (ch != 0) && (msglen > 0) );
2014 msg->cm_fields[which_field] = strdoop(tempbuf);
2017 msg->cm_flags = CM_SKIP_HOOKS;
2018 if (valid_msg) CtdlSaveMsg(msg, recp, "", e, 0);
2019 CtdlFreeMessage(msg);
2025 * API function to delete messages which match a set of criteria
2026 * (returns the actual number of messages deleted)
2028 int CtdlDeleteMessages(char *room_name, /* which room */
2029 long dmsgnum, /* or "0" for any */
2030 char *content_type /* or NULL for any */
2034 struct quickroom qrbuf;
2035 struct cdbdata *cdbfr;
2036 long *msglist = NULL;
2039 int num_deleted = 0;
2041 struct SuppMsgInfo smi;
2043 lprintf(9, "CtdlDeleteMessages(%s, %ld, %s)\n",
2044 room_name, dmsgnum, content_type);
2046 /* get room record, obtaining a lock... */
2047 if (lgetroom(&qrbuf, room_name) != 0) {
2048 lprintf(7, "CtdlDeleteMessages(): Room <%s> not found\n",
2050 return (0); /* room not found */
2052 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
2054 if (cdbfr != NULL) {
2055 msglist = mallok(cdbfr->len);
2056 memcpy(msglist, cdbfr->ptr, cdbfr->len);
2057 num_msgs = cdbfr->len / sizeof(long);
2061 for (i = 0; i < num_msgs; ++i) {
2064 /* Set/clear a bit for each criterion */
2066 if ((dmsgnum == 0L) || (msglist[i] == dmsgnum)) {
2067 delete_this |= 0x01;
2069 if (content_type == NULL) {
2070 delete_this |= 0x02;
2072 GetSuppMsgInfo(&smi, msglist[i]);
2073 if (!strcasecmp(smi.smi_content_type,
2075 delete_this |= 0x02;
2079 /* Delete message only if all bits are set */
2080 if (delete_this == 0x03) {
2081 AdjRefCount(msglist[i], -1);
2087 num_msgs = sort_msglist(msglist, num_msgs);
2088 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long),
2089 msglist, (num_msgs * sizeof(long)));
2091 qrbuf.QRhighest = msglist[num_msgs - 1];
2095 lprintf(9, "%d message(s) deleted.\n", num_deleted);
2096 return (num_deleted);
2102 * Delete message from current room
2104 void cmd_dele(char *delstr)
2109 getuser(&CC->usersupp, CC->curr_user);
2110 if ((CC->usersupp.axlevel < 6)
2111 && (CC->usersupp.usernum != CC->quickroom.QRroomaide)
2112 && ((CC->quickroom.QRflags & QR_MAILBOX) == 0)
2113 && (!(CC->internal_pgm))) {
2114 cprintf("%d Higher access required.\n",
2115 ERROR + HIGHER_ACCESS_REQUIRED);
2118 delnum = extract_long(delstr, 0);
2120 num_deleted = CtdlDeleteMessages(CC->quickroom.QRname, delnum, NULL);
2123 cprintf("%d %d message%s deleted.\n", OK,
2124 num_deleted, ((num_deleted != 1) ? "s" : ""));
2126 cprintf("%d Message %ld not found.\n", ERROR, delnum);
2132 * move or copy a message to another room
2134 void cmd_move(char *args)
2138 struct quickroom qtemp;
2142 num = extract_long(args, 0);
2143 extract(targ, args, 1);
2144 targ[ROOMNAMELEN - 1] = 0;
2145 is_copy = extract_int(args, 2);
2147 getuser(&CC->usersupp, CC->curr_user);
2148 if ((CC->usersupp.axlevel < 6)
2149 && (CC->usersupp.usernum != CC->quickroom.QRroomaide)) {
2150 cprintf("%d Higher access required.\n",
2151 ERROR + HIGHER_ACCESS_REQUIRED);
2155 if (getroom(&qtemp, targ) != 0) {
2156 cprintf("%d '%s' does not exist.\n", ERROR, targ);
2160 err = CtdlSaveMsgPointerInRoom(targ, num,
2161 (SM_VERIFY_GOODNESS | SM_DO_REPL_CHECK) );
2163 cprintf("%d Cannot store message in %s: error %d\n",
2168 /* Now delete the message from the source room,
2169 * if this is a 'move' rather than a 'copy' operation.
2171 if (is_copy == 0) CtdlDeleteMessages(CC->quickroom.QRname, num, NULL);
2173 cprintf("%d Message %s.\n", OK, (is_copy ? "copied" : "moved") );
2179 * GetSuppMsgInfo() - Get the supplementary record for a message
2181 void GetSuppMsgInfo(struct SuppMsgInfo *smibuf, long msgnum)
2184 struct cdbdata *cdbsmi;
2187 memset(smibuf, 0, sizeof(struct SuppMsgInfo));
2188 smibuf->smi_msgnum = msgnum;
2189 smibuf->smi_refcount = 1; /* Default reference count is 1 */
2191 /* Use the negative of the message number for its supp record index */
2192 TheIndex = (0L - msgnum);
2194 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
2195 if (cdbsmi == NULL) {
2196 return; /* record not found; go with defaults */
2198 memcpy(smibuf, cdbsmi->ptr,
2199 ((cdbsmi->len > sizeof(struct SuppMsgInfo)) ?
2200 sizeof(struct SuppMsgInfo) : cdbsmi->len));
2207 * PutSuppMsgInfo() - (re)write supplementary record for a message
2209 void PutSuppMsgInfo(struct SuppMsgInfo *smibuf)
2213 /* Use the negative of the message number for its supp record index */
2214 TheIndex = (0L - smibuf->smi_msgnum);
2216 lprintf(9, "PuttSuppMsgInfo(%ld) - ref count is %d\n",
2217 smibuf->smi_msgnum, smibuf->smi_refcount);
2219 cdb_store(CDB_MSGMAIN,
2220 &TheIndex, sizeof(long),
2221 smibuf, sizeof(struct SuppMsgInfo));
2226 * AdjRefCount - change the reference count for a message;
2227 * delete the message if it reaches zero
2229 void AdjRefCount(long msgnum, int incr)
2232 struct SuppMsgInfo smi;
2235 /* This is a *tight* critical section; please keep it that way, as
2236 * it may get called while nested in other critical sections.
2237 * Complicating this any further will surely cause deadlock!
2239 begin_critical_section(S_SUPPMSGMAIN);
2240 GetSuppMsgInfo(&smi, msgnum);
2241 smi.smi_refcount += incr;
2242 PutSuppMsgInfo(&smi);
2243 end_critical_section(S_SUPPMSGMAIN);
2245 lprintf(9, "Ref count for message <%ld> after write is <%d>\n",
2246 msgnum, smi.smi_refcount);
2248 /* If the reference count is now zero, delete the message
2249 * (and its supplementary record as well).
2251 if (smi.smi_refcount == 0) {
2252 lprintf(9, "Deleting message <%ld>\n", msgnum);
2254 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
2255 delnum = (0L - msgnum);
2256 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
2261 * Write a generic object to this room
2263 * Note: this could be much more efficient. Right now we use two temporary
2264 * files, and still pull the message into memory as with all others.
2266 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
2267 char *content_type, /* MIME type of this object */
2268 char *tempfilename, /* Where to fetch it from */
2269 struct usersupp *is_mailbox, /* Mailbox room? */
2270 int is_binary, /* Is encoding necessary? */
2271 int is_unique, /* Del others of this type? */
2272 unsigned int flags /* Internal save flags */
2277 char filename[PATH_MAX];
2280 struct quickroom qrbuf;
2281 char roomname[ROOMNAMELEN];
2282 struct CtdlMessage *msg;
2285 if (is_mailbox != NULL)
2286 MailboxName(roomname, is_mailbox, req_room);
2288 safestrncpy(roomname, req_room, sizeof(roomname));
2289 lprintf(9, "CtdlWriteObject() to <%s> (flags=%d)\n", roomname, flags);
2291 strcpy(filename, tmpnam(NULL));
2292 fp = fopen(filename, "w");
2296 tempfp = fopen(tempfilename, "r");
2297 if (tempfp == NULL) {
2303 fprintf(fp, "Content-type: %s\n", content_type);
2304 lprintf(9, "Content-type: %s\n", content_type);
2306 if (is_binary == 0) {
2307 fprintf(fp, "Content-transfer-encoding: 7bit\n\n");
2308 while (ch = getc(tempfp), ch > 0)
2314 fprintf(fp, "Content-transfer-encoding: base64\n\n");
2317 sprintf(cmdbuf, "./base64 -e <%s >>%s",
2318 tempfilename, filename);
2322 lprintf(9, "Allocating\n");
2323 msg = mallok(sizeof(struct CtdlMessage));
2324 memset(msg, 0, sizeof(struct CtdlMessage));
2325 msg->cm_magic = CTDLMESSAGE_MAGIC;
2326 msg->cm_anon_type = MES_NORMAL;
2327 msg->cm_format_type = 4;
2328 msg->cm_fields['A'] = strdoop(CC->usersupp.fullname);
2329 msg->cm_fields['O'] = strdoop(req_room);
2330 msg->cm_fields['N'] = strdoop(config.c_nodename);
2331 msg->cm_fields['H'] = strdoop(config.c_humannode);
2332 msg->cm_flags = flags;
2334 lprintf(9, "Loading\n");
2335 fp = fopen(filename, "rb");
2336 fseek(fp, 0L, SEEK_END);
2339 msg->cm_fields['M'] = mallok(len);
2340 fread(msg->cm_fields['M'], len, 1, fp);
2344 /* Create the requested room if we have to. */
2345 if (getroom(&qrbuf, roomname) != 0) {
2346 create_room(roomname, 4, "", 0);
2348 /* If the caller specified this object as unique, delete all
2349 * other objects of this type that are currently in the room.
2352 lprintf(9, "Deleted %d other msgs of this type\n",
2353 CtdlDeleteMessages(roomname, 0L, content_type));
2355 /* Now write the data */
2356 CtdlSaveMsg(msg, "", roomname, MES_LOCAL, 1);
2357 CtdlFreeMessage(msg);